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AI Engineer - Data

Berlin💼 Full-time🗓 2026-09-10 → 2026-09-26

Core

Building agentic AI systems for the rewards engine to generate tailored offers and evaluate them before launch, replacing inflexible design patterns.

Role type

Senior IC AI Engineer (Data)

Builds

Agentic reward design systems, LLM pipelines, and RAG-based evaluation frameworks for user acquisition and retention.

Domain

AdTech / Consumer Marketing / AI Agents

Deliverable

production ML models

Required skills

Python, agentic frameworks (LangChain/LangGraph/LlamaIndex), RAG, vector search, evaluation-driven development, prompt engineering, SQL, BigQuery, cloud infrastructure (AWS/GCP)

Preferred skills

AdTech experience, marketplaces, recommendations/ranking, high-scale consumer products

Technologies

Python, LangChain, LangGraph, LlamaIndex, BigQuery, AWS, GCP

Responsibilities

Design and ship agentic systems for reward generation and evaluation; solve open-ended AI problems across data org verticals; establish standards for AI tooling and patterns for the team; collaborate with Staff Data Scientists and leadership to integrate AI into business logic.

Seniority

Senior, hands-on IC

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